Surname Ривар (Rivard 
, Ривар 
) , globally, is a common cognomen. The last name Ривар is habitual in Canada, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United States. Measured by absolute frequency, it is commonest in Canada, the United States, and France. Very seldom, Ривар is the forename as well as the last name.